Tape cassette

Abstract

A tape roll is housed inside a cassette case. A first rotation body is provided on a first direction side of the tape roll and is positioned on a second direction side of a winding center of the tape roll. A first opening is provided on the second direction side of the first rotation body. An ink ribbon roll is provided on the second direction side of the first opening. A second rotation body is provided on the first direction side and the second direction side of a winding center of the ink ribbon roll. A first regulating part is provided on a fourth direction side of a predetermined path and is positioned on the fourth direction side of a first virtual line.

What is claimed is: 
     
       1. A tape cassette having a front, a rear, a left side and a right side, the tape cassette comprising:
 a cassette case having a bottom plate forming a bottom surface; 
 a tape roll housed inside the cassette case and on which is wound a tape that is a print medium; 
 a first rotation body positioned at a first direction from the tape roll and positioned at a second direction from a winding center of the tape roll, the first direction being the left side toward the right side, the second direction being the rear toward the front, the first rotation body forming a feed path of the tape and being configured to be driven to rotate in accordance with feeding of the tape; 
 a first opening positioned at the second direction from the first rotation body and penetrating the bottom plate in an orthogonal direction that is orthogonal to the bottom surface; 
 an ink ribbon roll positioned at the second direction from the first opening and on which is wound an ink ribbon to be used in printing of the tape; 
 a second rotation body positioned at the first direction from a winding center of the ink ribbon roll and positioned at the second direction from the winding center of the ink ribbon roll and forming the feed path; and 
 a first regulating part that is a wall positioned at a fourth direction from a predetermined path, the predetermined path being a section of the feed path at the second direction from the first rotation body and at a third direction from the second rotation body, the third direction being an opposite direction to the second direction, the fourth direction being an opposite direction to the first direction, the first regulating part being positioned at the fourth direction from a first virtual line, the first virtual line being a virtual straight line joining an end portion of the first rotation body and an end portion of the second rotation body, the end portion of the first rotation body and the end portion of the second rotation body being a closest portion, respectively, of the first rotation body and the second rotation body to the right side, 
 wherein the first opening includes two openings that are disposed side-by side and separate from each other, one of the two openings being positioned in the first direction with respect to the other of the two openings, the other of the two openings being aligned with the first rotation body in the second direction and the third direction and being at least partially aligned with the winding center of the ink ribbon roll in the second direction and the third direction. 
 
     
     
       2. The tape cassette according to  claim 1 , wherein
 a distance between the first rotation body and the first opening is shorter than a diameter of the first rotation body. 
 
     
     
       3. The tape cassette according to  claim 1 , further comprising
 a second regulating part that is a wall provided facing the first regulating part with the predetermined path therebetween and positioned at the first direction from the first virtual line. 
 
     
     
       4. The tape cassette according to  claim 1 , wherein
 the cassette case includes an end portion wall that is a wall portion at the front of the cassette, 
 the tape cassette further comprises:
 an arm portion including a part of the end portion wall of the cassette case, the arm portion extending in the first direction and the fourth direction along a section of the feed path that extends in parallel to the end portion wall, the arm portion having a discharge opening at at downstream end thereof, the discharge opening discharging the tape; 
 a guide portion that is a wall provided upstream with respect to the discharge opening and in the arm portion and guiding the tape to the discharge opening; and 
 a second opening positioned at the third direction from the arm portion, the second opening penetrating the bottom plate in the orthogonal direction and being configured to extend across a central position of the cassette case in the first direction, and 
 
 on the feed path along which the tape is discharged to the outside of the cassette case from the tape roll via the first rotation body, the second rotation body, the guide portion and the discharge opening, bent locations are only three locations of the first rotation body, the second rotation body and the guide portion, the bent locations being locations bending toward the second opening. 
 
     
     
       5. The tape cassette according to  claim 1 , wherein
 the cassette case includes an end portion wall that is a wall portion at the front of the cassette, 
 the tape cassette further comprises:
 an arm portion including a part of the end portion wall of the cassette case, the arm portion extending in the first direction and the fourth direction along a section of the feed path that extends in parallel to the end portion wall, the arm portion having a discharge opening at at downstream end thereof, the discharge opening discharging the tape; 
 a guide portion that is a wall provided upstream with respect to the discharge opening and in the arm portion and guiding the tape to the discharge opening; and 
 a second opening positioned at the third direction from the arm portion, the second opening penetrating the bottom plate in the orthogonal direction and being configured to extend across a central position of the cassette case in the first direction, and 
 
 on the feed path along which the tape is discharged to the outside of the cassette case from the tape roll via the first rotation body, the second rotation body, the guide portion and the discharge opening, a plurality of bent locations all bend toward the second opening, the feed path bending at the plurality of bent locations. 
 
     
     
       6. The tape cassette according to  claim 4 , further comprising
 a recessed portion provided in the end portion wall, the recessed portion being contiguous to an end portion of the arm portion, the recessed portion being between the right side of the cassette and the arm portion and being recessed in the third direction, 
 wherein the recessed portion is positioned at the second direction from a second virtual line, the second virtual line joining an end portion of the guide portion and an end portion of the second rotation body. 
 
     
     
       7. The tape cassette according to  claim 5 , further comprising
 a recessed portion provided in the end portion wall, the recessed portion being contiguous to an end portion of the arm portion the recessed portion being between the right side of the cassette and the arm portion and being recessed in the third direction, 
 wherein the recessed portion is positioned at the second direction from a second virtual line, the second virtual line joining an end portion of the guide portion and an end portion of the second rotation body. 
 
     
     
       8. The tape cassette according to  claim 1 , wherein
 the cassette case includes a top case having a top plate that forms a top surface of the cassette case and a bottom case having the bottom plate, and 
 the bottom case includes an extension wall portion that extends from an end portion of the first opening in the third direction, the extension wall portion being positioned at the fourth direction from the first rotation body. 
 
     
     
       9. The tape cassette according to  claim 8 , wherein
 a distance between the top plate and a top end portion of the extension wall portion in the orthogonal direction is smaller than a distance between the top plate and a top end portion of the first rotation body in the orthogonal direction. 
 
     
     
       10. The tape cassette according to  claim 2 , wherein
 the first regulating part includes a wall portion provided on an end portion of the first opening, the end portion being closest to the front of the cassette, and 
 a first distance is equal to or less than one third of a second distance, the first distance being a distance from an end portion of the first opening closest to the rear of the cassette to the wall portion in the third direction or the second direction, the second distance being a distance from the end portion of the first opening closest to the rear of the cassette to an end portion of the second rotation body closest to the front of the cassette in the third direction or the second direction. 
 
     
     
       11. The tape cassette according to  claim 1 , wherein
 the second rotation body is configured to be driven to rotate in accordance with the feeding of the tape. 
 
     
     
       12. The tape cassette according to  claim 1 , wherein
 a diameter of the first rotation body is shorter than a diameter of the second rotation body. 
 
     
     
       13. The tape cassette according to  claim 1 , wherein
 a length of the first rotation body in the orthogonal direction is longer than a length of the tape in the orthogonal direction, and a length of the second rotation body in the orthogonal direction is shorter than the length of the tape in the orthogonal direction. 
 
     
     
       14. The tape cassette according to  claim 1 , wherein
 the tape includes:
 a print paper having a print surface used for printing and an adhesive surface, the adhesive surface being a surface of a layer of adhesive formed on the opposite side to the print surface; 
 a release paper adhered to the adhesive surface; and 
 a cut formed in the print paper from the print surface to the adhesive surface, and 
 
 the print surface is a surface which faces the left side of the cassette when the tape is between the first rotation body and the second rotation body.